BRAINCAKE

Calculating the Equilibrium Constant

OCR AS-level ChemistryEquilibriumLesson 9 of 10

To calculate the equilibrium constant, the concentrations of the reactants and products at equilibrium must be known. For example for the following equilibrium:

H2(g) + I2(g) &rlhar 2HI (g)

the equilibrium concentrations are

Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz

BrainCake is free. Make an account in seconds and pick up where this page stops.

Key terms in this lesson

Equilibrium constant
A value, Kc, that expresses the relative concentrations of products and reactants at equilibrium for a reaction.

More in Equilibrium

All 10 lessons in Equilibrium · All OCR AS-level Chemistry topics